HartsfieldâJackson Atlanta International Airport has been the world's busiest airport every year since 2000; with all airports combined London has the world's busiest city airport system by passenger count.
Tension or Temperature. Dogs may shake as a way of relieving tension. If a dog is feeling nervous or uncomfortable in a situation, it might shake the whole body as a way of shaking out tension. This behavior also may function as a means of getting attention from other dogs or people.
Shaking a toy may look like a lot of fun for your dog, and watching her in action can be entertaining. However, the joke is over the moment your dog transfers this shaking behavior to anything other than a dog toy.